/*
 * Copyright (C) 2010-2014 Enrique Lara (enrique.posix2.lara@gmail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package app.transittool;

import android.content.Context;

import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;

import android.os.Bundle;

class DeviceLocationListener implements LocationListener {
    private final Context c;
    private final LocationManager locationManager;
    private Location location;

    public DeviceLocationListener(final Context c) {
        this.c = c;
        locationManager = (LocationManager) c.getSystemService(Context.LOCATION_SERVICE);
        setLocation(locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER));
    }

    public void startListening() {
        final int minTime = (Settings.getRefreshRateSeconds(c) * 1000) / 2;
        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, minTime, 1, this);
    }

    public void stopListening() {
        locationManager.removeUpdates(this);
    }

    private void setLocation(final Location location) {
        this.location = location;
    }

    Location getLocation() {
        return location;
    }

    @Override
    public void onLocationChanged(final Location arg0) {
        setLocation(location);
    }

    @Override
    public void onProviderDisabled(final String provider) {
    }

    @Override
    public void onProviderEnabled(final String provider) {
    }

    @Override
    public void onStatusChanged(final String provider, final int status, final Bundle extras) {
    }
}
